The dataset contains details on flags in terms of quantitative and categorical
variables, bars, stripes, colours, red,
green, blue, gold, white, black,
orange, mainhue, circles, crosses, saltires,
quarters, sunstars, crescent, triangle, icon,
animate, text, topleft, botright.
The dataset also contains additional variables, landmass, zone, area, population, language and religion, that can be used for interpreting the clusters once they are found.